Bruce Li plays a young kung fu expert (and waiter) who is trying to live peacefully in San Francisco with his marital arts-challenged friend. But they run afoul of some American thugs, and the fight is on...right!

The plot deals with a search for a valuable pearl, dubbed the Buddha's Relic, which is sold to an unwitting Japanese emissary by a corrupt Ching Dynasty prince who seeks to steal it back for his own purposes.

In the Taebong dynasty towards end of King Gungye's reign in the deep ravines, a thousand year old pair of foxes lived. They were father and daughter practicing asceticism to become humans. Lee Mu-gi, a snake skilled at the martial arts, changes into a human to capture Hyo-nyo. He rescues Hyo-nyo from Ok-to dragon which came to earth to find the learned priest Gwang Seon-sa. Hwang Jeong and old man Hwang (the foxes) take a liking to Ok-to and decide to help him fight the thieves and they defeat Lee Mu-gi. Hwang Jeong falls for Ok-to. But knowing she can't love a human, Hwang Jeong gives her life to save Ok-to.

Mysterious Heroes centers around Lau Tien, master of the deadly 13-Sword Style. Thrown into prison by a group of jealous enemies, the 13-Sword Style is rarely spoken of, let alone seen, until 20 years later, when a second swordsman going by the name of Lau Tien proves to be the world's second 13-Sword expert. Action-packed martial arts chaos ensues when the enemies of the original Lau Tien vow to destroy his successor

Mysterious Heroes centers around Lau Tien, master of the deadly 13-Sword Style. Thrown into prison by a group of jealous enemies, the 13-Sword Style is rarely spoken of, let alone seen, until 20 years later, when a second swordsman going by the name of Lau Tien proves to be the world's second 13-Sword expert. Action-packed martial arts chaos ensues when the enemies of the original Lau Tien vow to destroy his successor